[00:04.53]Unit 22 Environmental Protection[00:08.85]Lesson 1 Global Warming[00:12.39]Can we take the heat?In the last few decades,[00:16.95]environmentalists have reported[00:19.02]that human beings are causing changes

[00:00.84]What can individuals, people like me[00:03.06]and the listeners at home,[00:04.40]do to help reduce noise pollution?[00:06.89]We can all help by being more considerate[00:09.63]and thinking of our neighbours.

[00:00.60]Thats a good question.[00:02.72]Havent some scientists said about three[00:04.25]or four degrees?[00:05.65]No, at least five degrees centigrade,[00:08.12]maybe more.Its going to be disastrous.